It happened around the 38 mile marker.
Police say one person was entrapped in a vehicle and was flown to Baltimore Shock Trauma. The other drivers are being treated for minor injuries. Police say the interstate was only fully closed for about half an hour. All lanes are now reopened.
Police are asking anyone who witnessed this accident to contact them. They are currently looking for a grey pick up truck that was believed to be involved in the collision and failed to stop at the scene.
If you have any information please contact Senior Trooper Cain, Maryland State Police Hagerstown Barrack (301)-766-3800 ext.4011